引用nll_loss_forward_reduce_cuda_kernel_2d_index的问题-优快云博客https://blog.youkuaiyun.com/a424466072/article/details/130761212?ops_request_misc=%257B%2522request%255Fid%2522%253A%2522170228380216800222878696%2522%252C%2522scm%2522%253A%252220140713.130102334.pc%255Fall.%2522%257D&request_id=170228380216800222878696&biz_id=0&utm_medium=distribute.pc_search_result.none-task-blog-2~all~first_rank_ecpm_v1~rank_v31_ecpm-12-130761212-null-null.142^v96^pc_search_result_base5&utm_term=RuntimeError%3A%20nll_loss_forward_reduce_cuda_kernel_2d_index%20not%20implemented%20for%20Int&spm=1018.2226.3001.4187 添加一行代码: target = target.type(torch.int64)